11342+1101 HDS1642AB

 
 
11h 34m 09.95s +11 01' 25.9" P.A. 246 sep 1.1 mag 6.62,9.43 Sp A2m dist. 102.88 pc (335.59 l.y.)
 
 
Coord 2000
11342+1101
Discov num
HDS1642
Comp
AB
Coord arcsec 2000
11 34 09.95 +11 01 25.9
Date first
1991
Date last
2013
Obs
19
Pa first
244
Pa last
246
P.A. Now (θ)
246°
Sep first
0.9
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
6.62
Mag sec
9.43
delta mag (ΔM)
2.81
Spectral class
A2m (white)
Pri motion ra
+035
Sec motion ra
+037
Pri motion dec
-019
Sec motion dec
-023
Notes
Nature of this double is uncertain.
 
 
11342+1101 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 99668 11342+1101 YSC 43 Aa,Ab 2007 2012 5 357 0.0 6.90 8.20 1.30
Show 99668 11342+1101 HDS1642 AB 1991 2013 19 246 1.1 6.62 9.43 2.81 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
SAO
99668
HIP
56429
Tycho2
0859-00116-1
HD
100518
HR
4454
BD
BD+11 2372
Distance
102.88
Distance ly
335.59
last precise pa
246.3
last precise sep
1.131
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11342+1101 HDS1642 AB 2008 8 245 1.1 6.62 9.43 A2m D 113409.95+110125.9
11342+1101 HDS1642 AB 2012 11 246 1.1 6.62 9.43 A2m D 113409.95+110125.9
11342+1101 HDS1642 AB 2013 12 246 1.1 6.62 9.43 A2m D 113409.95+110125.9

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